- 30th Annual IEEE / NASA Software Engineering Workshop (SEW-30 2006), 25-28 April 2006, Loyola College Graduate Center, Columbia, MD, USA. IEEE Computer Society, 2006.
- 29th Annual IEEE / NASA Software Engineering Workshop (SEW-29 2005), 6-7 April 2005, Greenbelt, Maryland, USA. IEEE Computer Society, 2006.